Question

If cos Θ = -4/7 , what are the values of sin Θ and tan Θ?

Answer 1

You must know that:

\[\sin^2(x) + \cos^2(x) = 1\]

Can you use this to find sin(x)??

Answer 2

im not very sure i am very confused with these questions

Answer 3

You want to give a try, don't worry at the most you will do it correct only, nothing more than that.. :P

Answer 4

Okay nothing harmful, but you should not hesitate while giving a try, that will solve only your problem and build up your confidence.. :)

Answer 5

Do you know about that Identity??

Answer 6

no i am so lost in math right now